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OPERATION OVERVIEW
Function
Note: For an overview of the capture card components and connections, refer to
The Mbox 2016 Dual Output server hardware includes a Blackmagic Decklink Quad capture card. This card is located in
the PCIe card cage section of the Sonnet xMac Pro unit. The capture card provides up to four simultaneous SDI inputs
in standard configuration. Optionally, the card can be used to generate up to four simultaneous SDI outputs.
Note: The Decklink Quad capture card has four independent input/output sections, with each only capable of input or
output, but not both at the same time. Therefore, while it is possible to have four inputs or four outputs, it is not possible
to have four inputs and four outputs. It is only possible to have a combination of inputs and outputs that totals four.
In the standard hardware configuration, the four input connectors of the capture card are internally connected to the rear
of the four BNC connectors on the front of the Mbox rack. The internal connections are made with a special adapter
cable due to the DIN 1.0/2.3 connectors on the capture card.
Input
In standard configuration, no changes need to be made to the capture card's configuration or connections to support
use for video input. SDI video signal can be connected to the BNC connectors on the front of the xMac unit and the
Mbox software set up to enable and configure the appropriate input(s). Each input must be enabled and configured
separately.
The Decklink Quad card supports SD/HD SDI input (SMPTE standard 259M and 292M) with a bitrate of up to 1.5Gb/sec.
The following standard formats are supported:
+
NTSC - 720x480 @ 59.94Hz
+
PAL - 720x576 @ 50Hz
+
720p - 1280x720 @ 50/59.94/60Hz
+
1080i - 1920x1080 @ 50/59.94/60Hz
+
1080p - 1920x1080 @ 23.98/24/25/29.97/30Hz
CAUTION!
The capture card does not support SMPTE 424M with bitrates up to 3.0Gb/sec. This means that 1080p
formats with frequencies above 30Hz are not supported.
MBOX® 2016 DUAL OUTPUT HARDWARE MANUAL
28
BNC Connections
to Decklink Card
V IDE O INP UT
1
2
3
4
"Sonnet xMac Pro"
on page 7.
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